65           , heights()  in p_square_quantile_impl()
96                 this->heights[cnt - 1] = args[sample];  in operator ()()
101                     std::sort(this->heights.begin(), this->heights.end());  in operator ()()
109                 if (args[sample] < this->heights[0])  in operator ()()
111                     this->heights[0] = args[sample];  in operator ()()
114                 else if (this->heights[4] <= args[sample])  in operator ()()
116                     this->heights[4] = args[sample];  in operator ()()
123                         this->heights.begin()  in operator ()()
124                       , this->heights.end()  in operator ()()
128                     sample_cell = std::distance(this->heights.begin(), it);  in operator ()()
156                     float_type hp = (this->heights[i + 1] - this->heights[i]) / dp;  in operator ()()
157                     float_type hm = (this->heights[i - 1] - this->heights[i]) / dm;  in operator ()()
164                         float_type h = this->heights[i] + sign_d / (dp - dm) * ((sign_d - dm) * hp  in operator ()()
167                         if(this->heights[i - 1] < h && h < this->heights[i + 1])  in operator ()()
169                             this->heights[i] = h;  in operator ()()
176                                 this->heights[i] += hp;  in operator ()()
180                                 this->heights[i] -= hm;  in operator ()()
191             return this->heights[2];  in result()
196         array_type heights;              // q_i  member